Functions
Do You Know?
Bones
Support and Protection
Vocabulary

100

Why are muscles important to the human body?

They help us move.

100

How many bones do adult humans have?

206

100

What is the longest bone in the body?

Femur

100

What is the flexible tissue that protects bones and acts as a shock absorb er called?

Cartilage

100

Define joint.

The place where two bones meet.

200

What is a function of the muscular system?

To allow movement, but it also helps stabilize our joints, maintains our posture, and generate heat during activity.

200

How many bones are in your face?

14

200

Give another name for the knee bone.

Patella

200

This protects your heart and lungs from knocks and bumps.

The ribs.

200

Define cranium.

The skull

300

How are red blood cells related to the skeletal system?

It makes blood cells so the rest of the body can use them.

300

How many joints are in the body?

230

300

What is the strongest bone in the body?

Tibia

300

This bone is the central support for the body.

The spine

300

Define tendon.

Connective tissue that connects bones to tendons.

400

Why are gliding joints important?

They allow the bones to glide past one another in any direction along the plane of the joint — up and down, left and right, and diagonally. 

400

How are giraffes and humans related? Skeletal connections

Humans and giraffes have the same number of bones in their necks.

400

Where is blood marrow found?

In the center of the bone.

400

How do the curves in mammals backs support the body?

It allows the spine to support and balance the body on two legs.

400

Define false ribs.

The last five pairs of ribs.

500

Name the three major functions of the skeletal system.

Protect our vital organs. It gives us shape. It allows us to move.

500

How many bones are in a adult human's set of hands and feet?

106

500

Name two ways you know blood is alive.

They grow and repair cells. They need food (which is brought to them by the blood). 

500

Name three bones that protect the lower leg.

Patella, Fibula, Tibia, Femur,Coccyx, Sacrum, and Hip bone

500

Define metacarpus.

Hand bones